Repository: hive Updated Branches: refs/heads/master 380946c13 -> 6fd4d64db
HIVE-20364 : Update default for hive.map.aggr.hash.min.reduction Project: http://git-wip-us.apache.org/repos/asf/hive/repo Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/6fd4d64d Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/6fd4d64d Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/6fd4d64d Branch: refs/heads/master Commit: 6fd4d64db1c1dedd208d3bbffc59fd5544ec5d54 Parents: 380946c Author: Ashutosh Chauhan <hashut...@apache.org> Authored: Fri Aug 10 13:47:44 2018 -0700 Committer: Ashutosh Chauhan <hashut...@apache.org> Committed: Sat Aug 11 10:57:24 2018 -0700 ---------------------------------------------------------------------- common/src/java/org/apache/hadoop/hive/conf/HiveConf.java | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hive/blob/6fd4d64d/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java ---------------------------------------------------------------------- diff --git a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java index 929feb6..d406f51 100644 --- a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java +++ b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java @@ -1683,7 +1683,7 @@ public class HiveConf extends Configuration { "How many rows with the same key value should be cached in memory per smb joined table."), HIVEGROUPBYMAPINTERVAL("hive.groupby.mapaggr.checkinterval", 100000, "Number of rows after which size of the grouping keys/aggregation classes is performed"), - HIVEMAPAGGRHASHMEMORY("hive.map.aggr.hash.percentmemory", (float) 0.5, + HIVEMAPAGGRHASHMEMORY("hive.map.aggr.hash.percentmemory", (float) 0.99, "Portion of total memory to be used by map-side group aggregation hash table"), HIVEMAPJOINFOLLOWEDBYMAPAGGRHASHMEMORY("hive.mapjoin.followby.map.aggr.hash.percentmemory", (float) 0.3, "Portion of total memory to be used by map-side group aggregation hash table, when this group by is followed by map join"),